El Festival de Ancon del quiebre historico ala quiebra historica - Caro, Gonzalo; Bueno Osorio, Carlos (Medellin, Colombia Instituto Tecnologico Metropolitano, 2001)
Includes bibliographical references (p. 227-229).
Keywords: Rock music -- Colombia -- Medellin -- History and criticism; Hippies -- Colombia -- Medellin; Medellin (Colombia) -- Social conditions -- 20th century